Finding the Fourth Proportional to 76,519.46, 105,594.77 and 42,527.12

Step by Step Solution

1. Step 1: Write the proportion equation
   76,519.46 : 105,594.77 = 42,527.12 : x
2. Step 2: Convert to fraction form
   76,519.46/105,594.77 = 42,527.12/x
3. Step 3: Cross multiply
   76,519.46x = 105,594.77 × 42,527.12
4. Step 4: Simplify right side
   76,519.46x = 4,490,640,714.55
5. Step 5: Solve for x
   x = 4,490,640,714.55/76,519.46
6. Step 6: Final answer
   x = 58,686.26